noboru koshinaka
/
BLE_Central_test
ver1.0
Revision 0:82eed72bc4e4, committed 2018-02-07
- Comitter:
- noboruk
- Date:
- Wed Feb 07 19:54:56 2018 +0000
- Commit message:
- ver1.0
Changed in this revision
diff -r 000000000000 -r 82eed72bc4e4 RingBuffer.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/RingBuffer.lib Wed Feb 07 19:54:56 2018 +0000 @@ -0,0 +1,1 @@ +http://os.mbed.com/users/ykuroda/code/RingBuffer/#ea6d02ba96ae
diff -r 000000000000 -r 82eed72bc4e4 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Wed Feb 07 19:54:56 2018 +0000 @@ -0,0 +1,437 @@ +/* + * ------- BLE Central/Client UART function ----------------------------------- + * communicate with BLE_UART_Server program + * --- Tested on Switch Science mbed TY51822r3 --- + * + * Modified by Kenji Arai + * http://www.page.sannet.ne.jp/kenjia/index.html + * http://mbed.org/users/kenjiArai/ + * + * Started: April 8th, 2016 + * Revised: June 13th, 2016 + * Revised: October 22nd, 2017 Run on mbed-OS-5.6.2 + * + * Original program (see original.cpp file): + * S130 potential unstability case [closed] by Fabien Comte + * https://devzone.nordicsemi.com/question/49705/ + * s130-potential-unstability-case/ + * GitHub Q&A by Fabien COMTE + * https://github.com/ARMmbed/ble/issues/69 + * Tested Server Device: + * BLE_Uart_Server + * https://developer.mbed.org/users/kenjiArai/code/BLE_Uart_Server/ + */ + +// 2018/02/07 太陽誘電 EYSGCNZWY 使用の試作機向けに改造 + + +// Include -------------------------------------------------------------------- +#include "mbed.h" +#include "BLE.h" +#include "UARTService.h" +#include "ble/DiscoveredCharacteristic.h" +#include "ble/DiscoveredService.h" +#include "RingBuffer.h" + +// Definition ----------------------------------------------------------------- +#define NUM_ONCE 20 +#define BFSIZE (NUM_ONCE+4) + +//#define USE_DEBUG_MODE +#ifdef USE_DEBUG_MODE +#define DBG(...) { pc.printf(__VA_ARGS__); } +#else +#define DBG(...) +#endif + +#define SOFT_DEVICE_FATHER_HANDLE 3 + +#define LED1_PIN P0_25 +#define LED2_PIN P0_23 +#define LED3_PIN P0_21 +#define EXT_OUT_PIN P0_9 +#define ROM_CS_PIN P0_12 +#define ROM_SCK_PIN P0_13 +#define ROM_SDI_PIN P0_15 + +// Object --------------------------------------------------------------------- +DigitalOut alivenessLED(LED1_PIN,1); +DigitalOut connectedLED(LED2_PIN,1); +DigitalOut out_led(LED3_PIN,1); +DigitalOut out_oc(EXT_OUT_PIN,0); //オープンコレクタ出力 +// +// UARTの端子ははEEPROMの端子を流用 +DigitalOut dummy_cs(ROM_CS_PIN,1); //Disable Chip +Serial pc(ROM_SDI_PIN,ROM_SCK_PIN, 19200); //SDI=TXD,SCK=RXD + +// Object +BLE ble; +Ticker ticker; +Ticker out_port_ticker; +RingBuffer ser_bf(1536); +Thread tsk; + +// ROM / Constant data -------------------------------------------------------- +//#warning "You need to modify below value based on your board." +//const Gap::Address_t mac_board_0 = {0xae,0x2f,0x0d,0x6b,0x49,0xea}; +// +const char PEER_NAME[] = "UART_S"; +// +// RAM ------------------------------------------------------------------------ +Gap::Handle_t connectionHandle = 0xFFFF; +DiscoveredCharacteristic uartTXCharacteristic; +DiscoveredCharacteristic uartRXCharacteristic; +bool foundUartRXCharacteristic = false; +bool connected2server = false; +bool connection_tx = false; +bool connection_rx = false; +UARTService * uartServicePtr = NULL; +Gap::Address_t my_mac; +int my_board_index = -1; +bool received_uart_dat = false; +int8_t uart_buffer[BFSIZE]; +uint8_t uart_bf_len; +volatile bool rx_isr_busy = false; +// +bool out_port_flag = false; + +// Function prototypes -------------------------------------------------------- +// BLE +void advertisementCallback(const Gap::AdvertisementCallbackParams_t *); +void serviceDiscoveryCallback(const DiscoveredService *); +void characteristicDiscoveryCallback(const DiscoveredCharacteristic *); +void discoveryTerminationCallback(Gap::Handle_t ); +void onReceivedDataFromDeviceCallback(const GattHVXCallbackParams *); +void connectionCallback(const Gap::ConnectionCallbackParams_t *); +void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *); +// +// Interrupt related +void periodicCallback(void); +void serialRxCallback(void); +void out_port_ticker_Callback(void); +// serial receiving +void pc_ser_rx(void); +void preparation_sending_data(void); +// Pre-check +void adjust_line(uint8_t *); + +//------------------------------------------------------------------------------ +// Control Program +//------------------------------------------------------------------------------ +int main(void) +{ + dummy_cs = 1; + out_oc = 0; + alivenessLED = 1; + connectedLED = 1; + out_led = 1; + + pc.attach(&serialRxCallback, Serial::RxIrq); + ticker.attach(periodicCallback, 1); + tsk.start(pc_ser_rx); + + // clear terminal output + for (int k = 0; k < 5; k++) { pc.printf("\r\n");} + + // opening message + pc.printf("UART Communication / Central side\r\n"); + pc.printf(" need Peripheral module (run BLE_Peripheral_EYSGCNZWY program)\r\n"); + + // Mixed role ************************************************************** + ble.init(); + ble.gap().onConnection(connectionCallback); + ble.gap().onDisconnection(disconnectionCallback); + + // Client(Central) role **************************************************** + ble.gattClient().onHVX(onReceivedDataFromDeviceCallback); + ble.gap().setScanParams(500, 450); + ble.gap().startScan(advertisementCallback); + + while(true) + { + // allow notifications from Peripheral + if (foundUartRXCharacteristic && + !ble.gattClient().isServiceDiscoveryActive()) + { + // need to do the following only once + foundUartRXCharacteristic = false; + uint16_t value = BLE_HVX_NOTIFICATION; + ble.gattClient().write( + GattClient::GATT_OP_WRITE_REQ, + connectionHandle, + uartRXCharacteristic.getValueHandle() + 1, + sizeof(uint16_t), + reinterpret_cast<const uint8_t *>(&value) + ); + } + if (received_uart_dat == true){ + received_uart_dat = false; + for(int i = 0; i < uart_bf_len; i++){ + //pc.printf("%c", uart_buffer[i]); + pc.putc(uart_buffer[i]); + } + } + ble.waitForEvent(); + } +} + + +void periodicCallback(void) +{ + // Do blinky on alivenessLED to indicate system aliveness + alivenessLED = !alivenessLED; + if (connected2server){ + connectedLED = 0; + } else { + connectedLED = 1; + } + if (rx_isr_busy == true){ + rx_isr_busy = false; + } else { + tsk.signal_set(0x01); + } +} + +void out_port_ticker_Callback(void) +{ + out_led = 1; + out_oc = 0; + out_port_ticker.detach(); // +} + +void serialRxCallback() +{ + ser_bf.save(pc.getc()); + rx_isr_busy = true; + tsk.signal_set(0x01); +} + +void pc_ser_rx() +{ + static uint8_t linebf_irq[BFSIZE]; + static volatile uint8_t linebf_irq_len = 0; + + while(true){ + Thread::signal_wait(0x01); + if (ser_bf.check() == 0){ + if (linebf_irq_len != 0){ + linebf_irq[linebf_irq_len] = 0; + adjust_line(linebf_irq); + linebf_irq_len = 0; + uartTXCharacteristic.write(NUM_ONCE, linebf_irq); + } + } + while(ser_bf.check() != 0){ + char c = ser_bf.read(); + if (c == '\b'){ + linebf_irq_len--; + pc.putc(c); + pc.putc(' '); + pc.putc(c); + } else if ((c >= ' ') || (c == '\r') || (c == '\n')){ + bool overflow = false; + if ((c == '\r') || (c == '\n')) { + if (linebf_irq_len == NUM_ONCE - 1){// remain only 1 buffer + overflow = true; + linebf_irq[linebf_irq_len++] = '\r'; + pc.putc('\r'); + } else { + overflow = false; + linebf_irq[linebf_irq_len++] = '\r'; + linebf_irq[linebf_irq_len++] = '\n'; + pc.printf("\r\n"); + } + } else { + linebf_irq[linebf_irq_len++] = c; + pc.putc(c); + } + if (linebf_irq_len >= NUM_ONCE ){ + linebf_irq[linebf_irq_len] = 0; + uartTXCharacteristic.write(linebf_irq_len, linebf_irq); + linebf_irq_len = 0; + if (overflow == true){ + overflow = false; + linebf_irq[linebf_irq_len++] = '\n'; + pc.putc('\n'); + } + } + } + } + } +} + +void adjust_line(uint8_t *bf) +{ + uint8_t i, c; + + for (i = 0; i <NUM_ONCE; bf++, i++){ + c = *bf; + if (c == 0){ break;} + } + for (; i < NUM_ONCE; bf++, i++){ *bf = 0x11;} + *(bf + 1) = 0; +} + +void onReceivedDataFromDeviceCallback(const GattHVXCallbackParams *params) +{ + DBG( + "received HVX callback for handle %u; type %s\r\r\n", + params->handle, + (params->type == BLE_HVX_NOTIFICATION) ? "notification" : "indication" + ); + if (params->type == BLE_HVX_NOTIFICATION){ + if ((params->handle + == uartRXCharacteristic.getValueHandle()) && (params->len > 0)) + { + uart_bf_len = params->len; + strcpy((char *)uart_buffer, (char *)params->data); + received_uart_dat = true; + // 0.5s port ON + out_led = 0; + out_oc = 1; + out_port_ticker.attach(out_port_ticker_Callback, 0.5); + } + } +} + + +// Client(Central) role ******************************************************** +void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params) +{ + bool name_match = false; + + // parse the advertising payload, looking for data type COMPLETE_LOCAL_NAME + // The advertising payload is a collection of key/value records where + // byte 0: length of the record excluding this byte + // byte 1: The key, it is the type of the data + // byte [2..N] The value. N is equal to byte0 - 1 + + for( uint8_t i = 0; i < params->advertisingDataLen; ++i) + { + const uint8_t record_length = params->advertisingData[i]; + if (record_length == 0) + { + continue; + } + const uint8_t type = params->advertisingData[i + 1]; + const uint8_t* value = params->advertisingData + i + 2; + const uint8_t value_length = record_length - 1; + + if(type == GapAdvertisingData::COMPLETE_LOCAL_NAME) + { + if ((value_length == sizeof(PEER_NAME)) && (memcmp(value, PEER_NAME, value_length) == 0)) + { + pc.printf( + "\r\nadv peerAddr[%02x %02x %02x %02x %02x %02x] rssi %d, isScanResponse %u, AdvertisementType %u\r\n", + params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], + params->peerAddr[1], params->peerAddr[0], params->rssi, params->isScanResponse, params->type + ); + name_match = true; + break; + } + } + i += record_length; + } + if( name_match != true ){ return; } + + pc.printf("Found device : %s\r\n",PEER_NAME); + // connections + ble.gap().connect(params->peerAddr, Gap::ADDR_TYPE_RANDOM_STATIC, NULL, NULL); + +} + +void serviceDiscoveryCallback(const DiscoveredService *service) +{ + DBG("service found...\r\n"); + if (service->getUUID().shortOrLong() == UUID::UUID_TYPE_SHORT){ + DBG( + "Service UUID-%x attrs[%u %u]\r\n", + service->getUUID().getShortUUID(), + service->getStartHandle(), + service->getEndHandle() + ); + } else { + DBG("Service UUID-"); + const uint8_t *longUUIDBytes = service->getUUID().getBaseUUID(); + for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++) { + DBG("%02x", longUUIDBytes[i]); + } + DBG(" attrs[%u %u]\r\n", + service->getStartHandle(), service->getEndHandle()); + } +} + +void characteristicDiscoveryCallback( + const DiscoveredCharacteristic *characteristicP) +{ + DBG( + " C UUID-%x valueAttr[%u] props[%x]\r\n", + characteristicP->getUUID().getShortUUID(), + characteristicP->getValueHandle(), + (uint8_t)characteristicP->getProperties().broadcast() + ); + if (characteristicP->getUUID().getShortUUID() + == UARTServiceTXCharacteristicShortUUID) + { + DBG("Sevice TX 0x%04x\r\n", UARTServiceTXCharacteristicShortUUID); + uartTXCharacteristic = *characteristicP; + connection_tx = true; + } else if (characteristicP->getUUID().getShortUUID() + == UARTServiceRXCharacteristicShortUUID) + { + DBG("Sevice RX 0x%04x\r\n", UARTServiceRXCharacteristicShortUUID); + uartRXCharacteristic = *characteristicP; + foundUartRXCharacteristic = true; + connection_rx = true; + } +} + +void discoveryTerminationCallback(Gap::Handle_t connectionHandle) +{ + DBG("terminated SD for handle=%u\r\n", connectionHandle); +} + +// Mixed role ****************************************************************** +void connectionCallback(const Gap::ConnectionCallbackParams_t *params) +{ + if (params->role == Gap::CENTRAL) { + pc.printf("connected as Client(Central) (handle = %d)\r\n\r", + params->handle); + connected2server = true; + connectionHandle = params->handle; + ble.gattClient().onServiceDiscoveryTermination( + discoveryTerminationCallback); + ble.gattClient().launchServiceDiscovery( + params->handle, + serviceDiscoveryCallback, + characteristicDiscoveryCallback + ); + } + pc.printf( + "Client(Central/Myself) %02x:%02x:%02x:%02x:%02x:%02x\r\n", + params->ownAddr[5], params->ownAddr[4], params->ownAddr[3], + params->ownAddr[2], params->ownAddr[1], params->ownAddr[0] + ); + pc.printf( + "Connected Sever(peripheral) %02x:%02x:%02x:%02x:%02x:%02x\r\n", + params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], + params->peerAddr[2], params->peerAddr[1], params->peerAddr[0] + ); +} + +void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) +{ + DBG("handle = %d ", params->handle); + pc.printf(" -> disconnected\r\n", params->handle); + connected2server = false; +// connection_1st = false; + connection_tx = false; + connection_rx = false; + if (params->handle == SOFT_DEVICE_FATHER_HANDLE) { + ble.startAdvertising(); // restart advertising + } else { + ble.gap().startScan(advertisementCallback); // restart scan + } +} + +
diff -r 000000000000 -r 82eed72bc4e4 mbed-os.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Wed Feb 07 19:54:56 2018 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#6e0d01cd13e8aca7bf4d697c3699ec9225386881